14" x 14" - 3-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover Grilles + Product Details Size –

+ Product Details Size – 16"w X 25"h is the size for the duct opening measurement only

With these options

Installation is hassle-free

+ Product Details Size - 34"w X 18"h is the size for the duct opening measurement only

14" x 14" - 3-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover Grilles + Product Details Size –+ Product Details Size 14" X 14" is the size for the duct opening measurement only, actual front end outer dimensions are 3". Design Equipped with lever for full airflow control; back blades made of black plastic for reduced air noise and discreet appearance; "Opposing" back blades, ensuring they don't overlap, provide precise damper control and superior air dispersion. High Quality Aluminum The premium durable aluminum will never rust and it will